Unit c - 2.2 heat vs temperature ipp

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Unit c - 2.2 heat vs temperature ipp

  1. 1. 2.2 Heat and TemperatureModified
  2. 2. Measuring temperature?- To measure temperature, we use a thermometer- These devices give us fairly close guess on how warm or cold it is outside- Or if we are sick or not
  3. 3. Thermometer• Many different kinds and uses…main examples:  Weather outside  Body temperature• Here are some commonly used ones today:
  4. 4. Galileo’s Thermometer (weather)• glass vials float to the top or sink to bottom of tube based on temperature of water in tube
  5. 5. Mercury Thermometer (weather)• The liquid in the tubes goes up and down based on temperature
  6. 6. Infrared Thermometer (sick or not)• Measures body temperature of a person using a little tip inserted into the ear
  7. 7. Reading a thermometer• To read a thermometer we have to start at the “O”• From there we can go up in numbers which is warmer• Or go into negative numbers which is Colder
  8. 8. Here we can see thered line is almost atO
  9. 9. Warmer temperature Here we see that the red fluid is above “O” and sits close to 20 C
  10. 10. Colder temperatures We can see here that the red fluid is below the “O” mark. This means very cold. At “O” water begins to turn to ice
  11. 11. Order these thermometers as:Warmest (1), Cooler (2), and Coldest(3)
  12. 12. • This leads us to the next section of Storing heat and moving heat ▫ We will be building our own thermoses to protect and ice cube from heat ▫ More details to come!!!

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